Question: Which is the flood that the rain has effect in?
Paraphrase: Which is the flood that the downpour has impact in?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P1542 wd:Q7925 . ?sbj wdt:P31 wd:Q8068 } 
Answer: May 2004 Caribbean floods, 2013 China–Russia floods